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| author | Lei Zhang <thestig@chromium.org> | 2018-05-04 18:49:57 +0000 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2018-05-04 18:49:57 +0000 |
| commit | 36b3d19281e2911a97d6ce84538a3ae575ac38a7 (patch) | |
| tree | 9695f3a5d67dc08c993a844adbda086b480f275a /core/fxcodec/jbig2/JBig2_HtrdProc.cpp | |
| parent | ad178855775da18d7abfadce4b64825f3e32adbd (diff) | |
| download | pdfium-36b3d19281e2911a97d6ce84538a3ae575ac38a7.tar.xz | |
Check CJBig2_Image is valid before filling.chromium/3423chromium/3422chromium/3421
Skip a lot of work that will all fail anyway.
BUG=chromium:838347
Change-Id: Iba45120e436b5547e106feb27dadea92cc948258
Reviewed-on: https://pdfium-review.googlesource.com/32053
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcodec/jbig2/JBig2_HtrdProc.cpp')
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_HtrdProc.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_HtrdProc.cpp b/core/fxcodec/jbig2/JBig2_HtrdProc.cpp index fb2257e853..7d11482225 100644 --- a/core/fxcodec/jbig2/JBig2_HtrdProc.cpp +++ b/core/fxcodec/jbig2/JBig2_HtrdProc.cpp @@ -117,6 +117,9 @@ std::unique_ptr<CJBig2_Image> CJBig2_HTRDProc::DecodeMMR( std::unique_ptr<CJBig2_Image> CJBig2_HTRDProc::DecodeImage( const std::vector<std::unique_ptr<CJBig2_Image>>& GSPLANES) { auto HTREG = pdfium::MakeUnique<CJBig2_Image>(HBW, HBH); + if (!HTREG->data()) + return nullptr; + HTREG->fill(HDEFPIXEL); std::vector<uint32_t> GSVALS(HGW * HGH); for (uint32_t y = 0; y < HGH; ++y) { |